Chemical Engineering

The last year's closing rank at IIT-B in Chemical Engineering in General Neutral gender and PWD category was 123, which is equal (approximately) to 265 Marks.

1) Organic chemistry
2) Inorganic chemistry
3) Analytical chemistry
4) Physical chemistry
If you are interested to play with chemicals, it's the best field. It is having an infinite scope, so you can choose this for a good career.

GATE score (normalized) of admitted students in M.Tech Chemical Engineering at IIT Bombay in asked category was 568. So, you can estimate here yourself.
All the best

Hello,
It's own course specific fee structure. In order to know the exact fee it would be always advisable to browse through the official website of the institute where you wish to apply. For list of colleges offering Masters in Chemical Engineering, Kindly refer the below link:
http://goo.gl/93fsvw
Kindly filter out the branch / college / location as desired from the above link.

Both are equally good and both have great scope. Rest depends on your interest.

You can do the following UG courses from Annamalai University (DDE):
1. B.Sc Mathematics
2. B.Sc Physics